Home / 28,449.24-39,237.77-18,241.24

Finding the Fourth Proportional to 28,449.24, 39,237.77 and 18,241.24

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Solution

The fourth proportional to 28,449.24, 39,237.77 and 18,241.24 is: 25,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.24 : 39,237.77 = 18,241.24 : x
  2. Step 2: Convert to fraction form
    28,449.24/39,237.77 = 18,241.24/x
  3. Step 3: Cross multiply
    28,449.24x = 39,237.77 × 18,241.24
  4. Step 4: Simplify right side
    28,449.24x = 715,745,579.63
  5. Step 5: Solve for x
    x = 715,745,579.63/28,449.24
  6. Step 6: Final answer
    x = 25,158.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.